General Science and Philosophy

Prospect of Bio-Diesel Production from Soybean Oil and Sesame Oil: an Alternative and Renewable Fuel for Diesel Engines

Energy is the prerequisite for modern civilization. Fossil fuel is still
the main source of energy. But the endless consumption of fossil fuel has brought
its reserve about to an end. As a result, fuel prices are gouging as a consequence
of spiraling demand and diminishing supply. So we are always in search of
alternative and cost effective fuels to meet our need. Diesel engines are more
efficient and cost-effective than other engines. So diesel engines have versatile
uses (i.e. automobiles, irrigation, power plants etc.). That is why; consumption of
diesel fuel is much higher than other gasoline fuels. This paper estimates the
feasibility of soybean oil and sesame oil as an alternative fuel for diesel engine.
In the present paper, production of biodiesel from soybean oil and sesame oil,
its properties and comparison of test results with the results of other biodiesels
and diesel have been presented. Biodiesels are produced experimentally from
soybean and sesame oils and obtained 89.75% and 82.64% respectively.
Calorific values of biodiesels from soybean and sesame oil are obtained
41.57MJ/Kg and 43.67 MJ/Kg and the same for diesel is 44.5 MJ/Kg. The
kinematic viscosity of biodiesel extracted from soybean and sesame oils are
2.068*106m2/s and 2.292*106m2/s respectively while the same for diesel is
2.068*106m2/s. Again, flash point of biodiesels from soybean and sesame oil
are obtained 96°C & 94°C and the same for diesel is 75°C. The production costs
of biodiesels from soybean and sesame oil are Tk. 296.8 and Tk. 370 per liter
respectively. These oils or any of its blends could be used as an alternative in
case of crisis.

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